diff options
| -rw-r--r-- | Eigen/src/Core/Matrix.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/Eigen/src/Core/Matrix.h b/Eigen/src/Core/Matrix.h index 2e2826205..027e6bb70 100644 --- a/Eigen/src/Core/Matrix.h +++ b/Eigen/src/Core/Matrix.h @@ -707,6 +707,8 @@ struct ei_conservative_resize_like_impl { static void run(MatrixBase<Derived>& _this, const MatrixBase<OtherDerived>& other) { + if (_this.rows() == other.rows() && _this.cols() == other.cols()) return; + // Note: Here is space for improvement. Basically, for conservativeResize(int,int), // neither RowsAtCompileTime or ColsAtCompileTime must be Dynamic. If only one of the // dimensions is dynamic, one could use either conservativeResize(int rows, NoChange_t) or @@ -728,6 +730,8 @@ struct ei_conservative_resize_like_impl<Derived,OtherDerived,true> { static void run(MatrixBase<Derived>& _this, const MatrixBase<OtherDerived>& other) { + if (_this.rows() == other.rows() && _this.cols() == other.cols()) return; + // segment(...) will check whether Derived/OtherDerived are vectors! typename MatrixBase<Derived>::PlainMatrixType tmp(other); const int common_size = std::min<int>(_this.size(),tmp.size()); |